Animals are so clever!
本文作者： 21ST
瞧，这些动物真聪明！Which animal is the cleverest? You may think: dolphins, apes or dogs. Well, scientists believe (相信) the octopus (章鱼) is much more clever than we thought (认为). How smart are they? Look at this one. It can open a jar1 with its legs. |  |
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